*SUPPORT*
IN: zup wif OUT: YELLOW YELLOW YELLOW YELLOW
IN: zup fep gazzer zup wif OUT: YELLOW PINK BLUE YELLOW YELLOW YELLOW YELLOW
IN: fep fep tufa OUT: PINK PINK PINK PINK PINK PINK PINK
IN: lug gazzer OUT: GREEN BLUE
IN: zup tufa OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: zup zup dax zup wif OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: gazzer gazzer wif OUT: BLUE BLUE BLUE BLUE BLUE
IN: gazzer gazzer tufa OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: fep wif OUT: PINK PINK PINK PINK
IN: zup zup OUT: YELLOW YELLOW
IN: zup OUT: YELLOW
IN: lug fep OUT: GREEN PINK
IN: zup dax gazzer OUT: YELLOW BLUE
IN: lug OUT: GREEN

*QUERY*
IN: zup lug wif dax zup OUT: YELLOW GREEN GREEN GREEN GREEN YELLOW
IN: lug tufa OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: zup lug OUT: YELLOW GREEN
IN: gazzer tufa OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: fep fep wif OUT: PINK PINK PINK PINK PINK
IN: gazzer wif OUT: BLUE BLUE BLUE BLUE
IN: lug wif OUT: GREEN GREEN GREEN GREEN
IN: fep tufa OUT: PINK PINK PINK PINK PINK PINK
IN: fep gazzer wif OUT: PINK BLUE BLUE BLUE BLUE
IN: gazzer gazzer OUT: BLUE BLUE

*GRAMMAR*
fep -> PINK 
 gazzer -> BLUE 
 zup -> YELLOW 
 lug -> GREEN 
 u1 tufa -> [u1] [u1] [u1] [u1] [u1] [u1] 
 x1 dax x2 -> [x1] [x2] 
 u1 wif -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 